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12 February, 13:28

What is the perfect square rule?

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  1. 12 February, 13:50
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    Squaring a binomial creates a perfect square trinomial: (a + b) 2. (a - b) 2. (a + b) 2 = a2 + 2ab + b2. (a - b) 2 = a2 - 2ab + b2.
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